The PNG reference library (aka libpng) before 1.0.43, and 1.2.x before 1.2.35, as used in pngcrush and other applications, allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted PNG file that triggers a free of an uninitialized pointer in (1) the png_read_png function, (2) pCAL chunk handling, or (3) setup of 16-bit gamma tables.
CVE-2009-0040
- No confirmed exploitation signals yet
A fix is available — apply it.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 90.9%
- KEV
- Not listed
Published
February 22, 2009
Last Modified
April 23, 2026
References (164)
- secalert@redhatftp://ftp.simplesystems.org/pub/png/src/libpng-1.2.34-ADVISORY.txt
- secalert@redhathttp://downloads.sourceforge.net/libpng/libpng-1.2.34-ADVISORY.txt
- secalert@redhathttp://lists.apple.com/archives/security-announce/2009/Aug/msg00001.html
- secalert@redhathttp://lists.apple.com/archives/security-announce/2009/Jun/msg00005.html
- secalert@redhathttp://lists.apple.com/archives/security-announce/2009/May/msg00002.html
- secalert@redhathttp://lists.apple.com/archives/security-announce/2009/jun/msg00002.html
- secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2009-03/msg00000.html
- secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2009-03/msg00002.html
- secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2009-04/msg00009.html
- secalert@redhathttp://lists.vmware.com/pipermail/security-announce/2009/000062.html
- secalert@redhathttp://secunia.com/advisories/33970
- secalert@redhathttp://secunia.com/advisories/33976
- secalert@redhathttp://secunia.com/advisories/34137
- secalert@redhathttp://secunia.com/advisories/34140
- secalert@redhathttp://secunia.com/advisories/34143
Patch Availability(6)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | xulrunner-1.9 (1.9.0.7+nobinonly-0ubuntu0.8.10.1) @ intrepid | 2026-05-30 | ubuntu |
| ubuntu | libpng12-0 (1.2.15~beta5-3ubuntu0.1) @ hardy | 2026-05-30 | ubuntu |
| redhat | seamonkey-0:1.0.9-38.el4 | 2009-03-05 | redhat |
| redhat | xulrunner-0:1.9.0.7-1.el5 | 2009-03-05 | redhat |
| redhat | libpng-2:1.2.10-7.1.el5_3.2 | 2009-03-04 | redhat |
| redhat | libpng10-0:1.0.13-20 | 2009-03-04 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(6)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
- Red HatRHSA-2009:0315MODERATE2009-02-19
RHSA-2009:0315 — Moderate
- Red HatRHSA-2009:0325MODERATE2009-02-19
RHSA-2009:0325 — Moderate
- Red HatRHSA-2009:0333MODERATE2009-02-19
RHSA-2009:0333 — Moderate
- Red HatRHSA-2009:0340MODERATE2009-02-19
RHSA-2009:0340 — Moderate
- UbuntuUSN-728-1MEDIUM
Firefox and Xulrunner vulnerabilities
- UbuntuUSN-730-1MEDIUM
libpng vulnerabilities
Data Freshness Timeline
(refreshed 7× in last 7d / 39× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-06 16:23 UTCEPSS rescore
- 2026-07-06 02:19 UTCEPSS rescore
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- 2026-07-05 02:26 UTCEPSS rescore
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- 2026-06-30 23:19 UTCEPSS rescore
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- 2026-06-25 13:46 UTCEPSS rescore
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- 2026-06-24 14:02 UTCEPSS rescore
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- 2026-06-23 21:29 UTCEPSS rescore
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- 2026-06-21 14:53 UTCEPSS rescore
- 2026-06-21 01:56 UTCEPSS rescore
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- 2026-06-19 19:22 UTCEPSS rescore
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- 2026-06-18 17:49 UTCEPSS rescore
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- 2026-06-15 17:44 UTCEPSS rescore
- 2026-06-14 23:14 UTCEPSS rescore
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- 2026-06-13 22:57 UTCEPSS rescore
- 2026-06-12 23:08 UTCEPSS rescore
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- 2026-06-10 22:14 UTCEPSS rescore
- 2026-06-10 13:17 UTCEPSS rescore
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- 2026-06-06 13:44 UTCEPSS rescore
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- 2026-06-04 13:09 UTCEPSS rescore
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- 2026-06-02 20:10 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-31 00:13 UTCEPSS rescore
- 2026-05-31 00:13 UTCEPSS rescore
- 2026-05-30 18:05 UTCEG score recompute
- 2026-05-30 18:05 UTCVendor advisory
- 2026-05-30 18:05 UTCGHSA enrichment
- 2026-05-29 13:40 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-27 13:38 UTCEPSS rescore
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- 2026-05-26 13:41 UTCEPSS rescore
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- 2026-05-26 07:16 UTCEPSS rescore
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- 2026-05-24 16:43 UTCEPSS rescore
- 2026-05-20 22:37 UTCEPSS rescore
- 2026-05-20 22:37 UTCEPSS rescore
- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-20 11:20 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
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- CVE-2005-1876EG 4.5MEDIUM
- CVE-2003-1599EG 0.0NONE
- CVE-2006-1318EG 0.0EPSS 96%NONE
- CVE-2006-1301EG 0.0EPSS 95%NONE
- CVE-2006-1308EG 0.0EPSS 95%NONE
- CVE-2006-1309EG 0.0EPSS 95%NONE
- CVE-2006-1304EG 0.0EPSS 95%NONE
Frequently asked(4)
What is CVE-2009-0040?
When was CVE-2009-0040 disclosed?
Is CVE-2009-0040 actively exploited?
How do I remediate CVE-2009-0040?
Dependency Blast Radius
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